NDLI: Manufacturing and characterization of nano-sized PbTe powders

Content Provider	IEEE Xplore Digital Library
Author	Lee, H.W. Lee, D.Y. Kim, I.J. Woo, B.C.
Copyright Year	2002
Description	Author affiliation: Korea Electrotechnol. Res. Inst., Changwon, South Korea (Lee, H.W.; Lee, D.Y.; Kim, I.J.; Woo, B.C.)
Abstract	Nano-sized PbTe powders were manufactured by the high energy ball milling of a PbTe bulk, obtained by the water quenching of a melt. The wet milling using an ethanol were applied during the ball milling. The prepared powders were characterized by the X-ray powder diffraction pattern analysis to obtain crystallographic parameters such as the crystallite size and the misfit strain. A pseudo-Voigt function was used for the determination of the integral breadth and the full width at half maximum (FWHM) of peaks broadened by the effect of crystallite size and misfit strain. The Scherrer method, the Williamson-Hall plot and the single peak analysis were employed to calculate the size of crystallite and misfit strain with the consideration of instrumental broadening using standard sample. As results, we can observe the tendency that the crystallite size decreases and the misfit strain increases with increasing milling time. The crystallite size of powders was determined at the range of 15/spl sim/100 nm in 50/spl sim/150 hours milling time. The crystallite size and the misfit strain were different from crystallographic directions in this material, according to the Williamson-Hall plot and the single peak analysis.
Starting Page	17
Ending Page	20
File Size	294262
Page Count	4
File Format	PDF
ISBN	0780376838
DOI	10.1109/ICT.2002.1190255
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-08-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Manufacturing Powders Crystallization Capacitive sensors Ball milling Crystallography Ethanol X-ray diffraction Pattern analysis Instruments
Content Type	Text
Resource Type	Article

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